Ayaka Nishiwaki (Nishiwaki Ayaka), nicknamed a~chan (stylized as a-chan), is a Japanese singer and dancer. She is known as one of the members of the Japanese electropop group Perfume. Nishiwaki was born and raised in Hiroshima, Japan, where she attended Actor's School Hiroshima with friends and current Perfume members Yuka Kashino and Ayano Omoto. She formed Perfume in 2000 with Kashino and former member Yuka Kawashima, who left shortly after to focus on her schoolwork. After discussing the issue with her mother, who believed that a three-piece group had more stage presence than a duo, Nishiwaki asked Omoto to join the group. Her younger sister Sayaka is a member of the group "9nine". In March 2011, Nishiwaki graduated from Asia University with a degree in economics.
Ayaka Ohashi was born on September 13, 1994 in Saitama, Japan. She is known for Eureka Seven: Ao (2012), Masamune-kun No Revenge (2017) and Hangyakusei Million Arthur (2018).
Ayaka Onoue was born on 2 April 1982 in Saitama, Japan. She is an actress, known for Byôsoku 5 senchimêtoru (2007), Kazura (2010) and Ekusute (2007).
Ayaka Oohira is known for Anchiporuno (2016).
Ayaka Saito was born on 2 June 1988 in Tokyo, Japan. She is an actress, known for Ôran kôkô hosutobu (2006), Sakura Taisen Faibu -Saraba, Itoshiki Hito yo- (2005) and Fruits Basket (2001).
Ayaka Sasaki was born on June 11, 1996 in Japan. She is an actress, known for Maku ga agaru (2015), The Bouncer (2000) and Dragon Ball Z: Doragon bôru Z - Fukkatsu no 'F' (2015).
Ayaka Shimizu is known for Hai-Furi (2016), 86 (2021) and Street Fighter 6 (2023).
Ayaka Shimoyamada is known for Terminator Zero (2024), Psycho-Pass (2012) and Fainaru fantajî XIII-2 (2011).
Ayaka Tsuji is known for 86 (2021), Bubble (2022) and Sôsô no Furîren (2023).
Ayaka Wilson is an actress, known for Pako to mahô no ehon (2008), Story Game (2020) and Piple: AI to Kekkon Seikatsu Hajimemashita (2020).